Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {15, 13, 23, 5, 19, 27} → ______
- Prime numbers in {12, 7, 8, 23, 25, 19} → ______
- Prime numbers in {23, 9, 2, 25, 27, 13} → ______
- Prime numbers in {7, 29, 17, 3, 25, 12} → ______
- Prime numbers in {7, 2, 25, 8, 13, 21} → ______
- Prime numbers in {21, 29, 8, 2, 5, 19} → ______
- Prime numbers in {8, 21, 17, 27, 29, 5} → ______
- Prime numbers in {27, 11, 15, 25, 7, 9} → ______
- Prime numbers in {7, 25, 15, 2, 19, 23} → ______
- Prime numbers in {12, 25, 5, 7, 23, 19} → ______
- Prime numbers in {2, 7, 27, 17, 29, 13} → ______
- Prime numbers in {7, 13, 23, 15, 12, 19} → ______
- Prime numbers in {27, 15, 9, 23, 17, 13} → ______
- Prime numbers in {8, 21, 13, 5, 7, 27} → ______
- Prime numbers in {21, 29, 15, 25, 7, 5} → ______
- Prime numbers in {29, 23, 15, 2, 12, 17} → ______
- Prime numbers in {15, 13, 5, 29, 8, 3} → ______
- Prime numbers in {23, 11, 25, 3, 21, 19} → ______
- Prime numbers in {5, 27, 12, 11, 13, 3} → ______
- Prime numbers in {21, 17, 5, 27, 9, 15} → ______